Answer:
Marshmallow → Android 6
Jelly Bean → 4.1
Donut Android → 1.6
KitKat → 4.4
Honeycomb → 3.0
Gingerbread → 2.3
Explanation:
Android Marshmallow is Android's 13th version and the the 6th major version of the Android released officially on October 2015
Android Jelly Bean is the 10th version of the Android mobile operating system initially released on the 9th of July, 2012
Android Donut is the 4th version of the Android which is no longer supported and was initially released on the 15th September, 2009
Android KitKat is the 11th version of the Android that came with improved system performance and was initially released on the 31st of October 2013
Android Honeycomb is the 8th version of the Android made for devices with large screen and was initially released on the 22nd of February 2011
Android Gingerbread is the 7th version of the Android released in December 2010.